† perpendiclen.

Origin: Of multiple origins. Partly a borrowing from French. Partly a borrowing from Latin. Etymons: French perpendicle; Latin perpendiculum.

Etymology: < Middle French perpendicle (end of 14th cent.; also Middle French, French †perpendicule (16th cent.)) and its etymon classical Latin perpendiculum plumb line < perpendere perpend v. + -culum -cule suffix; compare -cle suffix. Compare Old Occitan, Occitan perpendicle (c1320), Catalan perpendicle, Spanish perpendículo (1400; earlier as perpendicle (1277; < Catalan or Occitan)), Italian perpendicolo (14th cent.).

Obsolete. rare.

A plumb line.

ΘΚΠ

society > occupation and work > equipment > equipment for marking out work > [noun] > plumb-line or chalk-line

poundereOE

righteOE

line1340

plummeta1398

plumba1400

perpendicle?c1400

plumb rulec1400

levelc1440

pendant1440

plumb linea1456

levelling-rule1598

perpendicular1604

plummet levelc1850

point-brass1850

?c1400 in J. O. Halliwell Rara Mathematica (1839) 58 (MED) Come toward and go froward til þe perpendicle, þat es to say, þe threde whereon þe plumbe henges, falle vpon þe mydel lyne of þe quadrant.

1656 T. Blount Glossographia Perpendicle, a plumb line,..with lead at the end.

1755 S. Johnson Dict. Eng. Lang. Perpendicle, anything hanging down by a straight line.

1867 W. H. Smyth & E. Belcher Sailor's Word-bk. Perpendicle, the plumb-line of an old quadrant.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online December 2021).

单词	perpendicle
释义	† perpendiclen. Origin: Of multiple origins. Partly a borrowing from French. Partly a borrowing from Latin. Etymons: French perpendicle; Latin perpendiculum. Etymology: < Middle French perpendicle (end of 14th cent.; also Middle French, French †perpendicule (16th cent.)) and its etymon classical Latin perpendiculum plumb line < perpendere perpend v. + -culum -cule suffix; compare -cle suffix. Compare Old Occitan, Occitan perpendicle (c1320), Catalan perpendicle, Spanish perpendículo (1400; earlier as perpendicle (1277; < Catalan or Occitan)), Italian perpendicolo (14th cent.). Obsolete. rare. A plumb line. ΘΚΠ society > occupation and work > equipment > equipment for marking out work > [noun] > plumb-line or chalk-line poundereOE righteOE line1340 plummeta1398 plumba1400 perpendicle?c1400 plumb rulec1400 levelc1440 pendant1440 plumb linea1456 levelling-rule1598 perpendicular1604 plummet levelc1850 point-brass1850 ?c1400 in J. O. Halliwell Rara Mathematica (1839) 58 (MED) Come toward and go froward til þe perpendicle, þat es to say, þe threde whereon þe plumbe henges, falle vpon þe mydel lyne of þe quadrant. 1656 T. Blount Glossographia Perpendicle, a plumb line,..with lead at the end. 1755 S. Johnson Dict. Eng. Lang. Perpendicle, anything hanging down by a straight line. 1867 W. H. Smyth & E. Belcher Sailor's Word-bk. Perpendicle, the plumb-line of an old quadrant. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online December 2021). < n.?c1400
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